LaAlO3 Substrate

1. Low dielectric constant 2. Low Microwave loss 3. High-temperature superconducting thin film

Category：

Single crystal substrate

key word：

Scintillator | Scintillation Array | Scintillator Detector | Single crystal substrate | Acousto Optic Sensor

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Description

LaAlO3 single crystal is the most important industrialized, large-size high-temperature superconducting thin film substrate single crystal material. Its growth with the Czochralski method, 2 inches in diameter and larger single crystal and the substrate can be obtained It's suitable for the production of high temperature superconducting microwave electronic devices (such as long-distance communication in high-temperature superconducting microwave filters etc.)

Properties

Crystal Structure	M6（normal temperature）	M3（>435℃）
Unit Cell Constant	M6 a=5.357A c=13.22 A	M3 a=3.821 A
Melting Point（℃）	2080
Density（g/cm3）	6.52
Hardness (Mho)	6-6.5
Thermal Expansion	9.4x10-6/℃
Dielectric Constants	ε=21
Secant Loss（10ghz)	～3×10-4@300k,～0.6×10-4@77k
Color and Appearance	To anneal and conditions differ from brown to brownish
Chemical Stability	Room temperature is not dissoluble in minerals, the temperature is greater than 150 ℃ in soluble h3po4
Characteristics	For microwave electron device
Growth Method	Czochralski method
Size	10x3，10x5，10x10，15x15，，20x15，20x20，
	Ф15,Ф20，Ф1″，Ф2″,Ф2.6″
Thickness	0.5mm，1.0mm
Polishing	Single or double
Crystal Orientation	＜100＞＜110＞＜111＞
Redirection Precision	±0.5°
Redirection the Edge	2°（special in 1°）
Angle of Crystalline	Special size and orientation are available upon request
Ra	≤5Å（5µm×5µm）
Pack	100 clean bag，1000 exactly clean bag

Low Dielectric Constant’s Advantage

Reduce signal distortion: In electronic circuits and communication systems, low dielectric constant helps minimize signal distortion. Dielectric materials can affect the propagation of electrical signals, causing signal loss and delay. Low-k materials reduce these effects, enabling more accurate signal transmission and improving overall system performance.

Improve insulation efficiency: Dielectric materials are often used as insulators to isolate conductive components and prevent leakage. Low dielectric constant materials provide effective insulation by minimizing energy lost to electrostatic coupling between adjacent conductors. This results in increased energy efficiency and reduced power consumption of the electrical system.

Scintillator

Scintillation Array

Scintillator Detector

Single crystal substrate

Acousto Optic Sensor

Sapphire

Silica glass

LaAlO3 Substrate

Description

Properties

Low Dielectric Constant’s Advantage